body,html
	line-height: 1
	font-weight: 200
	font-family: 'PingFang SC','STHeitiSC-Light','Helvetica-Light',arial,sans-serif

.clearfix
	display: inline-block
	&::after
		display: block
		height: 0
		line-height: 0
		content:"."
		clear: both
		visibility: hidden

@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
	.border-1px
		&::after
			-webkit-transform: scaleY(0.7)
			transform: scaleY(0.7)

@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
	.border-1px
		&::after
			-webkit-transform: scaleY(0.5)
			transform: scaleY(0.5)